feat(4D): Add 4D dynamic volume rendering and new pre-clinical 4d pt/ct mode (#3664)

Co-authored-by: Alireza <ar.sedghi@gmail.com>
Co-authored-by: Neil <neil.a.macphee@gmail.com>

extensions/cornerstone-dicom-sr/src/viewports/OHIFCornerstoneSRViewport.tsx

@@ -378,10 +378,13 @@ async function _getViewportReferencedDisplaySetData(
   measurementSelected,
   displaySetService
 ) {
-  const { measurements } = displaySet;
-  const measurement = measurements[measurementSelected];
-
-  const { displaySetInstanceUID } = measurement;
+  if (!displaySet.keyImageDisplaySet) {
+    // Create a new display set, and preserve a reference to it here,
+    // so that it can be re-displayed and shown inside the SR viewport.
+    // This is only for ease of redisplay - the display set is stored in the
+    // usual manner in the display set service.
+    displaySet.keyImageDisplaySet = createReferencedImageDisplaySet(displaySetService, displaySet);
+  }
 
   const referencedDisplaySet = displaySetService.getDisplaySetByUID(displaySetInstanceUID);